bowtie65
Newbie
hey...I have a 1990 k1500 5.7 auto 4x4....i am rebuilding this truck and just about everything is new,,the truck was running and all of a sudden its wont start..I started checking fr power and there is 8.45 volts at fuel pump connector ..power at pin going into the ecm (read thats were the pump gets it signal..so checked what i could find. I have no power at the pump fuse on the fire wall and power at the the pump relay..so im totally confused any suggestions where to look next